Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

How can you use adminclient api?

581

What is the difference between rdbms and hadoop?

644

Define tasktracker.

654

Is it necessary to write jobs for hadoop in the java language?

661

Which command is used for the retrieval of the status of daemons running the hadoop cluster?

718

What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?

783

Is it necessary to know java to learn hadoop?

663

Explain the use of .mecia class?

784

What is the sequencefileinputformat in hadoop?

713

What is the difference between hadoop and other data processing tools?

688

Which data storage components are used by hadoop?

666

Give the use of the bootstrap panel.

676

What are the functionalities of jobtracker?

672

Is it possible to provide multiple inputs to hadoop? If yes, explain.

657

What are the network requirements for using hadoop?

684

Un-Answered Questions { Big Data }

What is HBase?

359

What is sink processors?

What are file permissions in HDFS and how HDFS check permissions for files or directory?

Why are the number of splits equal to the number of maps?

961

What are the problems with Hadoop 1.0?

1048

What is a IdentityMapper and IdentityReducer in MapReduce ?

945

While writing evaluate UDF, which method has to be overridden?

573

What was the design goal of Cassandra?

How spark works on hadoop?

340

What are distinct operators in impala?

How is the processing of streaming data achieved in Apache Spark? Explain.

286

What is HBase HMaster?

360

What is Replication Factor in Cassandra?

Distinguish HDFS Block and Input Unit?

Compare hive, hbase, and impala?

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